| Acronym | Meaning |
| PEI | Prince Edward Island - PolyEtherImide |
| XAG | Silver Troy Ounce (ISO 4217 Currency Code) |
| SIYSS | Stockholm International Youth Science Seminar |
| RON | Romanian New Leu (ISO 4217 Currency Code) |
| IKU | Inuktitut Language (ISO 639-2 Code) |
| THB | Thai Baht (ISO 4217 Currency Code) |
| PDT | Pacific Daylight [Saving] Time (UTC-7 Hours) |
| UMES | University Of Maryland Eastern Shore |
| DWIM | Do What I Mean |
| A2ATD OR A?ATD | Anti |